Diagnostic Test
- CHECK FOR AN ACTIVE DTC NOTE:
Diagnose all CAN C bus communication DTCs before continuing.
- Turn the ignition on.
- With a scan tool, read EHPS Module DTCs.
Is the DTC active?
Yes
- Go To 2
No
- Test complete. The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- ABS CAN C BUSS COMMUNICATION RELATED DTCS IN OTHER MODULES
- With a scan tool check for ABS communication related DTCs in other modules on the CAN C Bus.
Are there any ABS communication related DTCs in other modules on the CAN C Bus at this time?
Yes
- Replace and program the Anti-lock Brake System (ABS) in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), REMOVAL AND INSTALLATION .
- Perform the EHPS VERIFICATION TEST. Refer to: EHPS VERIFICATION TEST .
No
- Replace and program the Electro-Hydraulic Power Steering (EHPS) Pump in accordance with the Service Information. Refer to MODULE, ELECTRO-HYDRAULIC POWER STEERING (EHPS), REMOVAL AND INSTALLATION .
- Perform the EHPS VERIFICATION TEST. Refer to: EHPS VERIFICATION TEST .
- With a scan tool check for ABS communication related DTCs in other modules on the CAN C Bus.